212021003233 has 8 divisors (see below), whose sum is σ = 236203770600. Its totient is φ = 188963015808.

The previous prime is 212021003219. The next prime is 212021003237. The reversal of 212021003233 is 332300120212.

It can be written as a sum of positive squares in 4 ways, for example, as 1167383889 + 210853619344 = 34167^2 + 459188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021003233 - 2³³ = 203431068641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212021003233.

It is not an unprimeable number, because it can be changed into a prime (212021003237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281194588 + ... + 281195341.

It is an arithmetic number, because the mean of its divisors is an integer number (29525471325).

Almost surely, 2^212021003233 is an apocalyptic number.

It is an amenable number.

212021003233 is a deficient number, since it is larger than the sum of its proper divisors (24182767367).

212021003233 is a wasteful number, since it uses less digits than its factorization.

212021003233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562389971.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212021003233 its reverse (332300120212), we get a palindrome (544321123445).

The spelling of 212021003233 in words is "two hundred twelve billion, twenty-one million, three thousand, two hundred thirty-three".